Fix Gtk deprecation Widget.reparent

gramps/gui/plug/report/_papermenu.py

@@ -175,7 +175,8 @@ class PaperFrame(Gtk.Box):
 
         self.paper_grid.show_all()
         # Shift the grid from glade toplevel window to this box
-        self.paper_grid.reparent(self)
+        self.paper_grid.get_parent().remove(self.paper_grid)
+        self.add(self.paper_grid)
         # need to get rid of glade toplevel now that we are done with it.
         self.top.destroy()
 

gramps/gui/widgets/grampletbar.py

@@ -701,7 +701,8 @@ class DetachedWindow(ManagedWindow):
         self.gramplet.detached_width = size[0]
         self.gramplet.detached_height = size[1]
         self.gramplet.detached_window = None
-        self.gramplet.reparent(self.grampletbar)
+        self.notebook.remove(self.gramplet)
+        self.grampletbar.add(self.gramplet)
         ManagedWindow.close(self, *args)
 
 #-------------------------------------------------------------------------

gramps/gui/widgets/grampletpane.py

@@ -246,7 +246,8 @@ class GrampletWindow(ManagedWindow):
         # add gramplet:
         if self.gramplet.pui:
             self.gramplet.pui.active = True
-        self.gramplet.mainframe.reparent(self.window.vbox)
+        self.gramplet.mainframe.get_parent().remove(self.gramplet.mainframe)
+        self.window.vbox.add(self.gramplet.mainframe)
         self.window.connect('response', self.handle_response)
         self.show()
         # After we show, then we hide:
@@ -310,7 +311,8 @@ class GrampletWindow(ManagedWindow):
         expand = self.gramplet.gstate == "maximized" and self.gramplet.expand
         column = pane.columns[col]
         parent = self.gramplet.pane.get_column_frame(self.gramplet.column)
-        self.gramplet.mainframe.reparent(parent)
+        self.gramplet.mainframe.get_parent().remove(self.gramplet.mainframe)
+        parent.add(self.gramplet.mainframe)
         if self.gramplet.pui:
             self.gramplet.pui.active = self.gramplet.pane.pageview.active
         for gframe in stack: